JetBlue flight change policy offers flexibility for travelers needing to adjust their plans. Passengers can change flights without fees on most fares, though fare differences may apply. Same-day changes are allowed for a small fee or free for select fare types. Changes can be made online or by calling JetBlue customer service. For quick assistance and support with your flight modifications, contact JetBlue at +1-844-622-0310 and speak with a representative to ensure a smooth rebooking experience.